289473976344 has 64 divisors (see below), whose sum is σ = 829452153600. Its totient is φ = 82468485504.

The previous prime is 289473976343. The next prime is 289473976349. The reversal of 289473976344 is 443679374982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289473976343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2424499 + ... + 2541090.

It is an arithmetic number, because the mean of its divisors is an integer number (12960189900).

Almost surely, 2^289473976344 is an apocalyptic number.

289473976344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

289473976344 is an abundant number, since it is smaller than the sum of its proper divisors (539978177256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289473976344 is a wasteful number, since it uses less digits than its factorization.

289473976344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4965952 (or 4965948 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 66.

The spelling of 289473976344 in words is "two hundred eighty-nine billion, four hundred seventy-three million, nine hundred seventy-six thousand, three hundred forty-four".